package com.itstu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author shhjiang_001
 * @create 2020-05-04 16:31
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer>{
    private Set<Integer> set = new HashSet<>();

// 初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int val : vals){
            set.add(val);
        }

    }
// 判断是否校验成功

    /**
     *
     * @param value  需要校验的值
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(value);
    }
}
